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DS1302Z+ The Dallas Semiconductor DS1302Z+ is a real-time clock/calendar chip with 31 bytes of battery-backed RAM. It offers low power operation and simple serial interface.
Mfr Part #:

DS1302Z+

Available from 1 distributors
Mfr Name: Dallas Semiconductor
Dallas Semiconductor
The Dallas Semiconductor DS1302Z+ is a real-time clock/calendar chip with 31 bytes of battery-backed RAM. It offers low power operation and simple serial interface.
✓ Total Stock: 41 pcs
$ Price Range: $0.30

DS1302Z+ Available from 1 distributor

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DS1302Z+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current Consumption
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Operating Temperature
RAM Size
Storage Temperature
Tape & Reel
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DS1302Z+ Description

Short technical summary and product information.

The DS1302Z+ from Dallas Semiconductor is a versatile real-time clock and calendar chip designed for accurate timekeeping functions. It manages seconds, minutes, hours, date, month, day of the week, and year, including leap-year compensation valid up to 2100. This device also includes 31 bytes of battery-backed general-purpose RAM for data storage.

 

Interfacing with microcontrollers is simplified through a 3-wire serial interface that is TTL-compatible. Data transfer can be done in single-byte or burst modes. The DS1302Z+ operates over a wide voltage range of 2.0V to 5.5V and consumes very low power, drawing less than 300nA at 2.0V, which extends battery backup run time.

 

Available in 8-pin DIP and 8-pin SO packages, the DS1302Z+ minimizes space requirements. It supports an optional industrial temperature range of -40°C to +85°C, making it suitable for a wide array of applications. The '+' in the part number indicates a lead-free and RoHS-compliant package.

DS1302Z+ Quick Information

Product Type: Real-Time Clock
Canonical Name: DS1302Z+ Real-Time Clock/Calendar with 31 Bytes RAM
Subcategory: Timekeeping ICs

DS1302Z+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

DS1302Z+ Estimated Pricing

Qty Low High
1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

DS1302Z+ Features

  • Manages all timekeeping functions accurately.
  • Includes 31 bytes of battery-backed RAM.
  • Simple 3-wire serial interface.
  • Low power consumption extends battery life.
  • Available in DIP and SOIC packages.

DS1302Z+ Applications

  • Ideal for embedded systems.
  • Suitable for battery-backed applications.
  • Used in devices requiring accurate time.
  • Supports industrial temperature ranges.

DS1302Z+ FAQs

7 frequently asked questions generated from this part’s specifications.
What timekeeping functions does the DS1302Z+ manage?

The DS1302Z+ manages seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100.

How much battery-backed RAM is available on the DS1302Z+?

The DS1302Z+ includes 31 bytes of battery-backed general-purpose RAM.

What is the operating voltage range for the DS1302Z+?

The DS1302Z+ operates from 2.0V to 5.5V.

What is the typical current consumption of the DS1302Z+?

The DS1302Z+ uses less than 300nA at 2.0V.

What interface does the DS1302Z+ use?

The DS1302Z+ uses a simple 3-wire serial interface that is TTL-compatible.

What are the available package types for the DS1302Z+?

The DS1302Z+ is available in 8-pin DIP and 8-pin SO (Surface Mount) packages.

What is the industrial operating temperature range for the DS1302Z+?

The optional industrial temperature range for the DS1302Z+ is -40°C to +85°C.

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